28336056 has 64 divisors (see below), whose sum is σ = 81569280. Its totient is φ = 8035200.

The previous prime is 28336051. The next prime is 28336073. The reversal of 28336056 is 65063382.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28336051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24810 + ... + 25926.

It is an arithmetic number, because the mean of its divisors is an integer number (1274520).

Almost surely, 2^28336056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28336056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40784640).

28336056 is an abundant number, since it is smaller than the sum of its proper divisors (53233224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28336056 is a wasteful number, since it uses less digits than its factorization.

28336056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 28336056 is about 5323.1622180805. The cubic root of 28336056 is about 304.8689072030.

The spelling of 28336056 in words is "twenty-eight million, three hundred thirty-six thousand, fifty-six".